const book = {
  state: {
    fileName: '',
    menuVisible: false,
    settingVisible: -1, // -1：不显示， 0：字号， 1：主题 2：进度 3：目录
    defaultFontSize: 16,
    defaultFontFamily: 'Default',
    fontFamilyVisible: false,
    defaultTheme: 'default',
    bookAvailable: false,
    progress: 0,
    section: 0,
    isPaginating: true,
    currentBook: null,
    navigation: null,
    cover: null,
    metadata: null,
    paginate: '',
    pagelist: null,
    offsetY: 0,
    isBookmark: null
  },
  mutations: {
    'SET_FILENAME': (state, fileName) => { state.fileName = fileName },
    'SET_MENUVISIBLE': (state, menuVisible) => { state.menuVisible = menuVisible },
    'SET_SETTINGVISIBLE': (state, settingVisible) => { state.settingVisible = settingVisible },
    'SET_DEFAULT_FONT_SIZE': (state, defaultFontSize) => { state.defaultFontSize = defaultFontSize },
    'SET_DEFAULT_FONT_FAMILY': (state, defaultFontFamily) => { state.defaultFontFamily = defaultFontFamily },
    'SET_FONT_FAMILY_VISIBLE': (state, fontFamilyVisible) => { state.fontFamilyVisible = fontFamilyVisible },
    'SET_DEFAULT_THEME': (state, defaultTheme) => { state.defaultTheme = defaultTheme },
    'SET_BOOK_AVAILABLE': (state, bookAvailable) => { state.bookAvailable = bookAvailable },
    'SET_PROGRESS': (state, progress) => { state.progress = progress },
    'SET_SECTION': (state, section) => { state.section = section },
    'SET_IS_PAGINATING': (state, isPaginating) => { state.isPaginating = isPaginating },
    'SET_CURRENT_BOOK': (state, currentBook) => { state.currentBook = currentBook },
    'SET_NAVIGATION': (state, navigation) => { state.navigation = navigation },
    'SET_COVER': (state, cover) => { state.cover = cover },
    'SET_METADATA': (state, metadata) => { state.metadata = metadata },
    'SET_PAGINATE': (state, paginate) => { state.paginate = paginate },
    'SET_PAGELIST': (state, pagelist) => { state.pagelist = pagelist },
    'SET_OFFSETY': (state, offsetY) => { state.offsetY = offsetY },
    'SET_IS_BOOKMARK': (state, isBookmark) => { state.isBookmark = isBookmark }
  }
}

export default book
